JP2002024776A - Ic card reader/writer - Google Patents

Ic card reader/writer

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Publication number
JP2002024776A
JP2002024776A JP2000207217A JP2000207217A JP2002024776A JP 2002024776 A JP2002024776 A JP 2002024776A JP 2000207217 A JP2000207217 A JP 2000207217A JP 2000207217 A JP2000207217 A JP 2000207217A JP 2002024776 A JP2002024776 A JP 2002024776A
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JP
Japan
Prior art keywords
ic card
loop antenna
writer
antenna element
reader
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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JP2000207217A
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Japanese (ja)
Inventor
Takashi Ohashi
享司 大橋
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Nippon Signal Co Ltd:The
日本信号株式会社
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Application filed by Nippon Signal Co Ltd:The, 日本信号株式会社 filed Critical Nippon Signal Co Ltd:The
Priority to JP2000207217A priority Critical patent/JP2002024776A/en
Publication of JP2002024776A publication Critical patent/JP2002024776A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To improve the communication precision between a loop antenna element and an IC card by increasing the ratio of the magnetic fluxes utilized for the communication with the IC card among the magnetic fluxes emitted from the loop antenna element, and increasing the utilization efficiency of the magnetic fluxes. SOLUTION: This IC card reader/writer writing information to the IC card by radio waves for recording and reading the information recorded on the IC card is provided with a loop antenna element 2 and a rod-like magnetic member 3 arranged in the loop of the loop antenna element 2 and having high magnetic permeability. The IC card reader/writer is provided with a magnetic member 22 having a shape partially notched on a nearly U-shaped or nearly V-shaped annular body, with both end sections arranged on both face sides of the IC card 5 when the IC card 5 is arranged at the prescribed position, and having high magnetic permeability and the loop antenna element 2 wound on part of the magnetic member 22.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、ICカードに対し電波で情報を書き込んで記録し、ICカードから電波として発信される情報を読み取るICカード用リーダライタに関し、特に鉄道の駅等に設置される券売機等に用いられるICカード用リーダライタに関する。 The present invention relates to records written information in radio wave to the IC card, relates IC reader writer card reading information transmitted as a radio wave from the IC card, in particular installed in railway stations, etc. that relates to an IC card reader-writer to be used in the ticket vending machine or the like.

【0002】 [0002]

【従来の技術】従来より、電鉄の駅、バス、高速道路の出入口、遊園地、テーマパーク等において発行される乗車キップ、定期券、通行券または設備の入場券等として、電波で情報を書き込んで記録し、かつ、記録した情報を読み取ることができるICカードが提案されている。 [Description of the Related Art, written station of the railway, bus, entrance and exit of the highway, amusement park, ride tickets to be issued in the theme parks and the like, as a commuter pass, ticket or equipment of admission tickets and the like, the information in the radio waves in recording, and, IC card capable of reading recorded information have been proposed. また、ICカードをプリペイドカードとして利用することにより、ICカードを自動販売機等に差し込んで利用することも行われている。 In addition, by using the IC card as a prepaid card, it has also been made to use by inserting the IC card to the vending machine or the like. この種のICカードを発行する券売機等に使用されるICカード用リーダライタとして、図7および図8に示すものが提案されている。 As IC reader writer card used in the vending machine or the like to issue this type of IC card it has been proposed as shown in FIGS.
図7に示すICカード用リーダライタ100は、線状導体を複数回巻回したループアンテナ素子101と、このループアンテナ素子101に接続されているリーダライタ本体102とを有している。 Writer 100 for an IC card shown in FIG. 7 includes a loop antenna element 101 and the linear conductor wound plural times, and a reader-writer main body 102 connected to the loop antenna element 101. ループアンテナ素子10 Loop antenna element 10
1は、ICカード103が図示したリードライト位置に配置された時にこのICカード103との間で電波の授受が有効に行われるように配置されている。 1 is arranged such transfer of the radio wave is effectively performed between the IC card 103 when the IC card 103 is placed in the read-write position shown. ループアンテナ素子101は、これが形成するループの範囲がIC Loop antenna element 101 is in the range of loop IC to this form
カード103の面積より大きくなるように形成されている。 It is formed to be larger than the area of ​​the card 103. ICカード103は、ループアンテナと送受信回路と制御回路とメモリ装置および電力生成回路(図示せず)を有している。 IC card 103 has a loop antenna and a reception circuit and a control circuit and a memory device and a power generation circuit (not shown). この電力生成回路は、ループアンテナ素子101から送信される電力供給用信号(交流磁界)を受けた時に電磁誘導による起電力を直流電力に変えてこの直流電力を送受信回路と制御回路およびメモリ装置に供給する。 The power generation circuit, the DC power control circuit and the memory device and transmitting and receiving circuit in place of the DC power to the electromotive force by electromagnetic induction when receiving power supply signal (AC magnetic field) transmitted from the loop antenna element 101 supplies. ICカード用リーダライタ100が書き込み情報を電波にてICカード103に送信した時に、ICカード103のループアンテナが前記書き込み情報を受信して受信書き込み情報を生成して送受信回路および制御回路が前記受信書き込み情報をメモリ装置に書き込んで記録する。 When the IC card reader-writer 100 transmits to the IC card 103 writes information by radio wave transmission and reception circuit and the control circuit is the received and generates reception write information loop antenna for receiving the write information of the IC card 103 the written information is recorded by writing to the memory device. また、ICカード用リーダライタ100が情報の読み出しコンマンドを電波でICカード103に送信した時に、ICカード103の送受信回路および制御回路がメモリ装置に記録(記憶)された情報をループアンテナを介してICカード用リーダライタ1 Further, when the IC card reader-writer 100 transmits to the IC card 103 to read Konmando information radio wave, the information transmission and reception circuit and the control circuit of the IC card 103 is recorded in the memory device (memory) via the loop antenna writer for the IC card 1
00に送信する。 To send to the 00. ICカード用リーダライタ100は、 Reader writer 100 for the IC card,
ICカード103から送信される情報を読み取る。 Read the information that is sent from the IC card 103. このようにして、ICカード用リーダライタ100は、IC In this way, IC card reader writer 100, IC
カード103との間で情報の授受を行う。 And exchanges of information between the card 103.

【0003】また、図8に示すICカード用リーダライタ100は、線状の導体を複数回巻回したループアンテナ素子104と、このループアンテナ素子104に接続されているリーダライタ本体102とを有し、ループアンテナ素子104が形成するループの範囲がICカード103の面積より小さくなるようにループアンテナ素子104が形成されている。 [0003] The reader-writer 100 for an IC card shown in FIG. 8, chromatic loop antenna element 104 that the linear conductor was wound plural times, and a reader-writer main body 102 connected to the loop antenna element 104 and, the loop antenna element 104 so that the range of the loop is smaller than the area of ​​the IC card 103 the loop antenna element 104 is formed is formed. 図8に示すICカード用リーダライタ100の動作は、図7に示すものと同じである。 Operation of the reader-writer 100 for an IC card shown in FIG. 8 is the same as that shown in FIG.

【0004】 [0004]

【発明が解決しようとする課題】しかしながら、図7に示すICカード用リーダライタ100においては、ループアンテナ素子101が形成するループの範囲がICカード103の面積より大きく、かつ、ループアンテナ素子101から放射される読取り磁束の曲率がループアンテナ素子101の外周部縁において非常に小さくなる。 [SUMMARY OF THE INVENTION However, in the reader writer 100 for an IC card shown in FIG. 7, the range of the loop the loop antenna element 101 is formed larger than the area of ​​the IC card 103, and the loop antenna element 101 the curvature of the read flux emitted becomes very small at the outer periphery edge of the loop antenna element 101.
このため、ループアンテナ素子101の外周部縁における磁束がICカード103に届かないので、ループアンテナ素子101から放射される磁束のうちICカード1 Therefore, the magnetic flux at the outer edges of the loop antenna element 101 does not reach the IC card 103, the IC card of the magnetic flux radiated from the loop antenna element 101 1
03との通信に利用される磁束の割合が小さく、磁束の利用効率が悪いから、ループアンテナ素子101とIC Small proportion of the magnetic flux that is used to communicate with the 03, because there is poor utilization efficiency of magnetic flux, the loop antenna element 101 and the IC
カード103との通信の精度が悪くなるという問題がある。 There is a problem that the accuracy of communication with the card 103 is deteriorated. また、図8に示すICカード用リーダライタ100 The reader-writer 100 for an IC card shown in FIG. 8
においては、ループアンテナ素子104が形成するループの範囲がICカード103の面積より小さいからループアンテナ素子104から放射される磁束のうちICカード102との通信に利用される磁束の割合が図7に示すものより大きくなる。 In, the ratio of the magnetic flux 7 that is used to communicate with the IC card 102 of the magnetic flux range of the loop is radiated from the loop antenna element 104 from smaller than the area of ​​the IC card 103 the loop antenna element 104 is formed greater than that shown made. しかし、ループアンテナ素子1 However, the loop antenna element 1
04から放射される電波の磁束の曲率がループアンテナ素子104の外周部縁において非常に小さくなる。 Very small curvature of the magnetic flux of the radio waves radiated at the outer edges of the loop antenna element 104 from 04. このため、ループアンテナ素子104の外周部縁における磁束がICカード103に届かないので、全体としてループアンテナ素子104から放射される磁束のうちICカード103との通信に利用される磁束の割合が小さく、 Therefore, loop the magnetic flux at the outer edges of the antenna element 104 does not reach the IC card 103, the ratio of the flux to be used for communication with the IC card 103 of the magnetic flux radiated from the loop antenna element 104 is smaller as a whole ,
磁束の利用効率が悪いから、ループアンテナ素子104 Since poor utilization efficiency of magnetic flux, the loop antenna element 104
とICカード103との通信の精度が悪くなるという問題がある。 There is a problem that the accuracy of the communication with the IC card 103 is deteriorated with. また、券売機等に設置される図8のICカード用リーダライタ100にあっては、レイアウトの都合により、図9に示すように、ループアンテナ素子104 Further, in the IC card reader-writer 100 of FIG. 8 to be installed in the ticket-vending machine or the like, the convenience of the layout, as shown in FIG. 9, the loop antenna element 104
の近傍に金属板等の導電部材105が配置される場合がある。 There is a case where the conductive member 105 such as a metal plate is disposed in the vicinity of. この場合にはループアンテナ素子104から放射される読取り或は書込み用の磁束のうち導電部材105 Conductive member 105 of the magnetic flux of the read or write is radiated from the loop antenna element 104 in this case
に近いものがこの導電部材105に吸収されるから、全体としてループアンテナ素子104から放射される磁束のうちICカード103との通信に利用される磁束の割合が小さくなる。 Things because is absorbed by the conductive member 105, the ratio of the flux to be used for communication with the IC card 103 of the magnetic flux radiated from the loop antenna element 104 as a whole is reduced close to. このため、磁束の利用効率が悪いから、ループアンテナ素子104とICカード103との通信の精度が悪くなるという問題がある。 Therefore, because there is poor utilization efficiency of the magnetic flux, there is a problem that the accuracy of communication between the loop antenna element 104 and the IC card 103 is deteriorated. 図7のICカード用リーダライタ100のループアンテナ素子101 Loop antenna element of the IC card reader-writer 100 of FIG. 7 101
の近傍に、金属板等の導電部材105が存在する場合にも、前述と同様の理由によりループアンテナ素子101 In the vicinity of, even if there is a conductive member 105 such as a metal plate, the loop antenna element 101 for the same reason as described above
とICカード102との通信の精度が悪くなるという問題がある。 There is a problem that the accuracy of the communication with the IC card 102 is deteriorated with. 本発明の課題は、ループアンテナ素子から放射される磁束のうちICカードとの通信(読取り、書込み)に利用される磁束の割合(磁束密度)を大きくして磁束の利用効率を向上させ、ループアンテナ素子とIC An object of the present invention, communication with the IC card of the magnetic flux radiated from the loop antenna element (read, write) by increasing the proportion of the magnetic flux to be used for (magnetic flux density) to improve the utilization efficiency of the magnetic flux loop antenna element and the IC
カードとの通信の精度を向上させることができるICカード用リーダライタを提供することにある。 To provide a reader-writer for IC card which can improve the accuracy of communications with the card.

【0005】 [0005]

【課題を解決するための手段】前記課題を解決するために、請求項1に記載の発明は、ICカードに対し電波で情報を書き込んで記録し、前記ICカードに記録された情報を読み取るICカード用リーダライタであって、リーダライタ本体と、該リーダライタ本体に接続されたループアンテナ素子と、このループアンテナ素子のループの内部に配置されている透磁率が高い磁性部材とを有することを特徴とする。 In order to solve the above problems SUMMARY OF THE INVENTION, the invention according to claim 1, recorded by writing information in radio wave to the IC card, reads the information recorded on the IC card IC a writer for the card, and the reader-writer main body, and the loop antenna element connected to the reader-writer main body, that the magnetic permeability which is arranged inside the loop of the loop antenna element has a high magnetic member and features. 請求項2に記載の発明は、ICカードに対し電波で情報を書き込んで記録し、前記ICカードに記録された情報を読み取るICカード用リーダライタであって、リーダライタ本体と、環状体の一部を切り欠いた形状を有し前記ICカードが所定のリードライト位置に配置された時に前記ICカードの両面側に両端部が配置される透磁率が高い磁性部材と、この磁性部材の一部に巻回され且つリーダライタ本体に接続されたループアンテナ素子と、を有することを特徴とする。 Invention according to claim 2, recorded writing information in radio wave to the IC card, a reader-writer for IC cards for reading the information recorded on the IC card, and the reader-writer main body, one annular body and high permeability magnetic member end portions are disposed on both sides of the IC card when the IC card has notched shape the parts are arranged in a predetermined read-write position, a portion of the magnetic member and the loop antenna element connected to the wound on and writer main body, and having a. 請求項3に記載の発明は、請求項2において、前記透磁率が高い磁性部材の前記両端部の端面を、リードライト位置に配置されたICカードの両面と平行となるように配置したことを特徴とする。 Invention according to claim 3, in claim 2, in that the end faces of the both end portions of the high permeability magnetic member is disposed to be parallel to the two sides of the IC card disposed in the read-write position and features. 請求項4の発明は、請求項2又は請求項3に記載のICカード用リーダライタにおいて、前記ループアンテナ素子を前記磁性部材の一部と共に被覆一体化するモールド樹脂部材を有することを特徴とする。 A fourth aspect of the present invention, the IC reader writer card according to claim 2 or claim 3, characterized in that it has a molded resin member covering integrate the loop antenna element with a portion of the magnetic member .

【0006】 [0006]

【発明の実施の形態】以下、本発明の実施の形態を図面に基づいて詳細に説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, will be described in detail with reference to embodiments of the present invention with reference to the drawings. 図1は本発明の1つの実施の形態に係るICカード用リーダライタを示す概略斜視図である。 Figure 1 is a schematic perspective view of a writer for an IC card according to one embodiment of the present invention. このICカード用リーダライタは、例えば、 Writer for the IC card, for example,
ICカードを発行する券売機等に使用され、ICカードに対して各種の情報を記録し、ICカードに記録された各種の情報を読み取るものである。 Is used in vending machines or the like that issues an IC card, various kinds of information recorded to the IC card, in which reading various information recorded on the IC card. 図1に示すように、 As shown in FIG. 1,
このICカード用リーダライタ1は、線状の導体を複数回巻回したループアンテナ素子2と、このループアンテナ素子2のループの内部に配置されている透磁率が高い棒状の磁性部材3と、ループアンテナ素子2に接続されているリーダライタ本体4とを有している。 The IC card reader-writer 1 includes a loop antenna element 2 of the linear conductor was wound plural times, the magnetic member 40 of magnetic permeability disposed in the interior of the loop antenna element 2 of the loop is high rod- and a reader-writer main body 4 which is connected to the loop antenna element 2. なお、ループアンテナ素子2は、線状の導体を1回巻回したものでもよい。 Note that the loop antenna elements 2, the linear conductor may be one wound once wound. 磁性部材3は、フェライト等の透磁率の高い物質、例えば磁性材料であり、例えば円柱または角柱等の棒状に形成されている。 Magnetic member 3, a material having high magnetic permeability such as ferrite, for example, a magnetic material and is formed into a rod, such as for example cylindrical or prismatic. ICカード用リーダライタ1 Writer for the IC card 1
は、所定のリードライト位置に配置されるICカード5 Is, IC card 5 is arranged at a predetermined read-write position
に対し情報を電波で書き込んで記録(記憶)し、ICカード5に記録された情報を読み取るものである。 To record writing information in Telecommunications (storage), in which read information recorded in the IC card 5. ICカード5は、例えば、ループアンテナ素子2の近傍の所定位置に設けられた支持部材(図示せず)により支持された状態で情報の記録または読取を受ける。 IC card 5, for example, a loop antenna element (not shown) support member provided at a predetermined position in the vicinity of 2 undergo recording or reading of information while being supported by the.

【0007】図2は、リーダライタ本体3の回路構成を示すブロック図である。 [0007] Figure 2 is a block diagram showing a circuit configuration of a reader-writer main body 3. 図2に示すように、リーダライタ本体4は、制御装置6と、電力増幅器7と、変調器8 As shown in FIG. 2, the reader-writer main body 4 includes a control unit 6, a power amplifier 7, modulator 8
と、検波復調器9と、メモリ装置10と、入力装置11 When, a detection demodulator 9, a memory device 10, input device 11
と、表示装置12および送受信装置13とを有している。 When, and a display device 12 and the transceiver 13. 電力増幅器7は、ループアンテナ素子2に接続されている。 Power amplifier 7 is connected to the loop antenna element 2. 検波復調器9は、ループアンテナ素子2に接続されている。 Detector demodulator 9 is connected to the loop antenna element 2. 変調器8は、制御装置6と電力増幅器7との間に接続されている。 Modulator 8 is connected between the control unit 6 and the power amplifier 7. 制御装置6は、電力増幅器7 The control device 6, the power amplifier 7
と、検波復調器9と、メモリ装置10と、入力装置11 When, a detection demodulator 9, a memory device 10, input device 11
と、表示装置12および送受信装置13に接続されている。 When connected to the display device 12 and the transceiver 13. 送受信装置13は、外部のコンピュータ14に接続されている。 Transceiver 13 is connected to an external computer 14.

【0008】制御装置6は、CPUとRAMとROMおよび入出力ポート等からなり、交流信号である電力供給用信号と、書き込みコマンドおよび読み出しコマンドを電力増幅器7に与える。 [0008] The control device 6, a CPU and a RAM and a ROM and input and output ports, etc., and the power supply signal is an AC signal, providing a write command and a read command to the power amplifier 7. 電力増幅器7は、制御装置6からの電力供給用信号と書き込みコマンドおよび読み出しコマンドを増幅して増幅電力供給用信号と増幅書き込みコマンドおよび増幅読み出しコマンドを生成してループアンテナ素子2に与える。 Power amplifier 7 is supplied to the loop antenna element 2 to generate an amplified amplification power supply signal and amplifies the write command and amplify the read command power supply signal and the write command and a read command from the control device 6. ループアンテナ素子2は、電力増幅器7からの前記増幅電力供給用信号と前記増幅書き込みコマンドおよび前記増幅読み出しコマンドを受けた時に送信電力供給用信号および送信書き込みコマンドおよび送信読み出しコマンドを生成して電波でICカード5に送信する。 Loop antenna element 2, a radio wave to generate the transmission power supply signal amplified power supply signal and when receiving the amplified write command and said amplifying read command and sends a write command and sends a read command from the power amplifier 7 It is transmitted to the IC card 5. また、制御装置6は、メモリ装置10 Further, the control unit 6, the memory device 10
に記録(記憶)されている情報を読み出して書き込み情報として変調器8に与える。 The recording reads information that has been (stored) given to the modulator 8 as the write information. さらに、制御装置6は、外部のコンピュータ14に対し送受信装置13を介して情報の授受を行う。 Furthermore, the control device 6 transmits and receives information via the transceiver 13 to external computer 14. 制御装置6は、外部のコンピュータ1 The control device 6, the external computer 1
4からの情報を受けた時にこの情報を変調器8に与え、 When receiving the information from the 4 gives this information to the modulator 8,
または、メモリ装置10に記憶させる。 Or, to be stored in the memory device 10. 変調器8は、制御装置6からの前記書き込み情報を変調して変調書き込み情報を生成して電力増幅器7に与える。 Modulator 8 provides the power amplifier 7 by modulating the writing information from the control device 6 generates a modulated write information. 電力増幅器7 Power amplifier 7
は、変調器8からの前記変調書き込み情報を増幅して増幅書き込み情報を生成してループアンテナ素子2に与える。 Gives the loop antenna element 2 to produce an amplified write information by amplifying the modulated writing information from the modulator 8. ループアンテナ素子2は、電力増幅器7からの前記増幅書き込み情報を受けた時に送信書き込み情報を生成して電波としてICカード5に送信する。 Loop antenna element 2 is transmitted to the IC card 5 as a radio wave to generate a transmission write information when receiving the amplified write information from the power amplifier 7. 入力装置11 Input device 11
は、操作コマンドを入力するためのものである。 Is for inputting an operation command. 表示装置12は、制御装置6からの情報を表示するものである。 Display device 12 is to display the information from the control device 6. ループアンテナ素子2はICカード5からの送信読み出し情報を受けた時に受信読み出し情報を生成して検波復調器9に与える。 Loop antenna element 2 generates the received read information when receiving the transmission reads information from the IC card 5 gives to the detection demodulator 9. 検波復調器9はループアンテナ素子2からの前記受信読み出し情報から読み出し情報を検出して制御装置6に与える。 Detector demodulator 9 detects the read information from the received read information from the loop antenna element 2 provided to the controller 6. 制御装置6は、検波復調器9からの前記読み出し情報を受けるとこの読み出し情報を前記情報としてメモリ装置10に記憶(記録)させ、 The control device 6 is stored (recorded) in the memory device 10 receives the read information from the detection demodulator 9 the read information as the information,
必要に応じて表示装置12に前記情報を表示させ、また、前記情報をコンピュータ14に対し送受信装置を介して与える。 To display the information on the display device 12 if necessary, also the information to the computer 14 gives via the transceiver.

【0009】図3はICカード5の回路構成を示すブロック図である。 [0009] FIG. 3 is a block diagram showing a circuit configuration of the IC card 5. ICカード5は、ループアンテナ15 IC card 5, the loop antenna 15
と、送受信回路16と、検波器17と、制御回路18、 If a transceiver circuit 16, a detector 17, the control circuit 18,
メモリ装置19と、電力生成回路20および変調器21 A memory device 19, power generator 20 and modulator 21
とを有している。 And it has a door. 送受信回路16は、ループアンテナ1 Reception circuit 16, the loop antenna 1
5に接続されている。 It is connected to the 5. 検波器17は、送受信回路16と制御回路18との間に接続されている。 Detector 17 is connected between the transmitting and receiving circuit 16 and the control circuit 18. 電力生成回路2 Power generating circuit 2
0は、ループアンテナ15と、送受信回路16と、検波器17と、制御回路18と、メモリ装置19および変調器21に接続されている。 0, the loop antenna 15, a transceiver circuit 16, a detector 17, a control circuit 18 is connected to the memory device 19 and a modulator 21. 変調器17は、送受信回路1 Modulator 17, transmitter-receiver circuit 1
6と制御回路18との間に接続されている。 6 and is connected between the control circuit 18. 制御回路1 Control circuit 1
8は、送受信回路16とおよびメモリ装置19に接続されている。 8 is connected to the transceiver circuit 16 and the memory device 19. ループアンテナ15は、ループアンテナ素子2からの送信電力供給用信号(交流磁界)を受けた時に電磁誘導による交流信号である受信電力供給用信号(交流電力)を生成する。 The loop antenna 15 generates a received power supply signal (AC power) which is an AC signal by electromagnetic induction when subjected to transmit power supply signals from the loop antenna element 2 (alternating magnetic field). 電力生成回路20は、ループアンテナ15からの受信電力供給用信号を受けて直流電力を生成して送受信回路16と、検波器17と、制御回路1 Power generation circuit 20 includes a transceiver circuit 16 generates the DC power by receiving the received power signal from the loop antenna 15, a detector 17, the control circuit 1
8、メモリ装置19および変調器21に供給する。 8, and supplies to the memory device 19 and a modulator 21. なお、ICカード5は、電力生成回路20の代わりに電源回路を有するように構成してもよい。 Incidentally, IC card 5 may be configured to have a power supply circuit in place of the power generation circuit 20. ループアンテナ1 Loop antenna 1
5は、ループアンテナ素子2からの送信書き込みコマンドと送信読み出しコマンドおよび送信書き込み情報を受けた時に受信書き込みコマンドと受信読み出しコマンドおよび受信書き込み情報を生成して送受信回路16に与える。 5 gives the transceiver circuit 16 and generates a received read command and the received write data and receiving a write command upon receiving a transmission write command and transmits the read command and transmit write information from the loop antenna element 2. 送受信回路16は、ループアンテナ15からの前記受信書き込み情報を受けた時にこの受信書き込み情報を検波器17に与える。 Transceiver circuit 16 provides the received write information when receiving the reception writing information from the loop antenna 15 to the detector 17. この検波器17は、送受信回路16からの前記受信書き込み情報を受けた時に書き込み情報を生成して制御回路18に与える。 The detector 17 generates a write data when receiving the reception writing information from the transceiver circuit 16 gives to the control circuit 18. 送受信回路16 Transmission and reception circuit 16
は、ループアンテナ15から前記受信書き込みコマンドおよび前記受信読み出しコマンドを受けた時に書き込みコマンドおよび読み出しコマンドを生成して制御回路1 , The control circuit 1 generates a write command and a read command when receiving the received write command and the received read command from the loop antenna 15
8に与える。 Give to 8. 制御回路18は、送受信回路16から前記書き込みコマンドを受けた時に検波器17からの前記書き込み情報を情報としてメモリ装置19に記録(記憶) The control circuit 18 is recorded in the memory device 19 as the information of the writing information from the detector 17 when the transmitting and receiving circuit 16 receives the write command (storage)
させる。 Make. 制御回路18は、送受信回路16から読み出しコマンドを受けた時にメモリ装置19に記録(記憶)された前記情報を読み出して読み出し情報として変調器2 The control circuit 18 includes a modulator 2 as read information by reading the information recorded (stored) in the memory device 19 upon receiving a read command from the transmitting and receiving circuit 16
1に与える。 Give to 1. この変調器21は、制御回路18からの前記読み出し情報を変調して変調読み出し情報を生成して送受信回路16に与える。 The modulator 21 provides the sending and receiving circuit 16 the read information from the control circuit 18 modulates and generates a modulated readout. 送受信回路16は、変調器2 Transceiver circuit 16 includes a modulator 2
1からの前記変調読み出し情報を受けた時にこの変調読み出し情報をループアンテナ15に与える。 Providing the modulated read information to the loop antenna 15 when receiving the modulated read information from 1. このループアンテナ15は、送受信回路16から前記変調読み出し情報を受けた時に前記送信読み出し情報を生成して電波でICカード用リーダライタ1に送信する。 The loop antenna 15 generates the transmission read information transmitted to the IC card reader-writer 1 in radio wave when the receiving circuit 16 receives the modulated read information. この場合に、前述のように、ICカード用リーダライタ1においては、ループアンテナ素子2がICカード5からの前記送信読み出し情報を受けて前記受信読み出し情報を生成した時に検波復調器9が前記受信読み出し情報から読み出し情報を検出して制御装置6に与える。 In this case, as described above, in the IC card reader-writer 1, the detection demodulator 9 is the reception when the loop antenna element 2 has generated the received read information by receiving the transmission reading information from the IC card 5 detecting the read information from the read information provided to the controller 6. 制御装置6 The control device 6
は、前記読み出し情報を受けるとこの読み出し情報を前記情報としてメモリ装置10に記憶(記録)させる。 Receives the read information when make stores the read information in the memory device 10 as the information (recording).

【0010】このように、ICカード用リーダライタ1 [0010] In this way, the reader writer 1 for the IC card
がICカード5と情報の授受を行う時に、図1に示すように、本発明の第1の実施の形態においては、ループアンテナ素子2と、このループアンテナ素子2のループの内部に配置されている透磁率が高い棒状の磁性部材3とを有しているから、矢印で示すようにループアンテナ素子1から放射される電波の磁束が磁性部材3に集中するからこれらの電波の磁束の曲率がループアンテナ素子2 There when transmitting and receiving the IC card 5 and information, as shown in FIG. 1, in the first embodiment of the present invention, a loop antenna element 2 is disposed inside the loop antenna element 2 of the loop since permeability there are and a higher rod-like magnetic member 3, the curvature of the magnetic flux of these radio waves from the magnetic flux of the radio wave radiated from the loop antenna element 1 as shown by an arrow is concentrated on the magnetic member 3 loop antenna element 2
の外周部縁においても大きくなる。 Also it increases at the outer periphery edge of the. このため、ほとんどの磁束がICカード5に届くので、ループアンテナ素子2から放射される磁束のうちICカード5との通信に利用される磁束の割合が大きくなり磁束の利用効率が大きいから、ループアンテナ素子2とICカード5との通信の精度を向上させることができる。 Therefore, since most of the flux is because reach the IC card 5, utilization ratio becomes large and the magnetic flux of the magnetic flux that is used to communicate with the IC card 5 of the magnetic flux radiated from the loop antenna element 2 is large, loop it is possible to improve the accuracy of communications between the antenna element 2 and the IC card 5. また、本発明の第1 The first of the present invention
の実施の形態においては、ループアンテナ素子2と、このループアンテナ素子2のループの内部に配置されている透磁率が高い棒状の磁性部材2とを有しているから、 In the embodiment, the loop antenna element 2, because the permeability which is arranged inside the loop antenna element 2 of the loop has a high bar-like and a magnetic member 2,
ループアンテナ素子2の近傍に導電部材が存在する場合(図9に示したような場合)にもループアンテナ素子2 If the vicinity of the loop antenna element 2 is electrically conductive member is present (the case shown in FIG. 9) to the loop antenna element 2 also
から放射される磁束が磁性部材3に集中してほとんどの磁束がICカード5を通過するようにループアンテナ素子2から放射されるから前記導電部材に吸収されにくい。 Hard magnetic flux radiated is absorbed by the conductive member from being radiated from the loop antenna element 2 as most of the magnetic flux concentrated in the magnetic member 40 passes through the IC card 5 from. このため、ループアンテナ素子2から放射される磁束のうちICカード4との通信に利用される磁束の割合が大きくなり磁束の利用効率が大きなるから、ループアンテナ素子2とICカード5との通信の精度を向上させることができる。 Thus, communication from utilization ratio is increased and the magnetic flux of the magnetic flux that is used to communicate with the IC card 4 of the magnetic flux radiated from the loop antenna element 2 is large, the loop antenna element 2 and the IC card 5 it is possible to improve the accuracy.

【0011】次に、本発明の第2の実施の形態を図面に基づいて詳細に説明する。 [0011] will be described in detail with reference to the second embodiment of the present invention with reference to the drawings. 図4は、本発明の第2の実施の形態に係るICカード用リーダライタを示す概略正面図である。 Figure 4 is a schematic front view showing a reader-writer for IC card according to a second embodiment of the present invention. 本発明の第2の実施の形態においては、本発明の第1の実施の形態と同じ構成要素には同じ参照符号が付されている。 In the second embodiment of the present invention, the same components as the first embodiment of the present invention are denoted by the same reference numerals. 図4に示すように、このICカード用リーダライタ1は、ICカード5が所定のリードライト位置に配置された時にICカード5の両面側に両端部が配置される透磁率が高い略コ字状の磁性部材22と、この磁性部材22の一部に巻回されているループアンテナ素子2と、このループアンテナ素子2に接続されているリーダライタ本体3とを有している。 As shown in FIG. 4, the reader-writer 1 for the IC card, a substantially U-high permeability to the IC card 5 is disposed both end portions on both sides of the IC card 5 when placed in a predetermined read-write position and Jo of the magnetic member 22, and a loop antenna element 2 is wound on a part of the magnetic member 22, and a reader-writer main body 3 connected to the loop antenna element 2. 磁性部材22は、 Magnetic member 22,
略U字状、略C字状、または略V字状であってもよく、 Substantially U-shaped, substantially C-shaped, or may be a substantially V-shaped,
要するに環状体の一部を切り欠いた形状であって、これらの切り欠き端部(両端部)22aがICカード5の両面に対向、対面するように配置される。 In short a shape formed by cutting a part of the annular body, these notches ends (both end portions) 22a are opposed on both sides of the IC card 5 are arranged so as facing. これ以外の本発明の第2の実施の形態の構成は、本発明の第1の実施の形態と同じである。 Configuration of the second embodiment of the other of the present invention is the same as in the first embodiment of the present invention. 図4の実施形態の磁性部材22は、 Magnetic member 22 of the embodiment of Figure 4,
4つの辺の内の一辺を完全に切除したコ字状であるが、 While one side of the four sides are completely resected U-shaped,
両端部22aを図示のようにICカード5に対して対面(対向)させることにより、各端部22aから放射される磁束密度の高い磁力線をリードライト位置(切欠き内)に位置するICカード5の両面に対して集中させて、リードライト用に効率的に利用することができる。 By facing the both end portions 22a to the IC card 5 as shown (opposite), the IC card 5 is located in the read-write position with high magnetic lines of flux density emanating from each end 22a (the notch) of to concentrate against both surfaces can be efficiently utilized for read-write.
即ち、本発明の第2の実施の形態においては、環状体の一部を切り欠いた形状であってICカード5が所定のリードライト位置に配置された時にICカード5の両面側に両端部22aが配置される透磁率が高い磁性部材22 That is, the second in the embodiment, both end portions on both sides of the IC card 5 when the IC card 5 have a shape formed by cutting a part of the annular body is disposed in a predetermined read-write position of the present invention magnetic permeability is high 22a is disposed member 22
と、この磁性部材22の一部に巻回されているループアンテナ素子1とを有している。 When, and a loop antenna element 1 is wound on a part of the magnetic member 22. このため、矢印で示すようにループアンテナ素子2から放射される電波の磁束のほとんどがICカード5に届くので、ループアンテナ素子2から放射される磁束のうちICカード5との通信に利用される磁束の割合が大きく磁束の利用効率が大きくなるから、ループアンテナ素子2とICカード5との通信の精度を向上させることができる。 Therefore, since most of the radio wave of the magnetic flux radiated from the loop antenna element 2 as shown by the arrow to reach the IC card 5, it is used for communication with the IC card 5 of the magnetic flux radiated from the loop antenna element 2 since the utilization efficiency of the proportion of the magnetic flux is large magnetic flux is increased, thereby improving the accuracy of communication between the loop antenna element 2 and the IC card 5. また、本発明の第2の実施の形態においては、環状体の一部を切り欠いた形状であってICカード5が所定位置に配置された時にICカード5の両面側に両端部22aが配置される透磁率が高い磁性部材22と、この磁性部材22の一部に巻回されているループアンテナ素子とを有しているから、 Further, in the second embodiment of the present invention, both end portions 22a are disposed on both sides of the IC card 5 when the IC card 5 have a shape formed by cutting a part of the annular body is in place a magnetic member 22 high permeability to be, because a loop antenna element is wound on a part of the magnetic member 22,
ループアンテナ素子2の近傍に導電部材が存在する場合にもループアンテナ素子2から放射される電波の磁束が導電部材に吸収されにくい。 Telecommunications flux radiated from the loop antenna element 2 even if the vicinity of the loop antenna element 2 is electrically conductive member there is hardly absorbed in the conductive member. このため、ループアンテナ素子2から放射される磁束のうちICカード5との通信に利用される磁束の割合が大きく磁束の利用効率が大きいから、ループアンテナ素子2とICカード5との通信の精度を向上させることができる。 Therefore, the accuracy of communication since utilization ratio is large magnetic flux of the magnetic flux to be used for communication with the IC card 5 of the magnetic flux radiated from the loop antenna element 2 is large, the loop antenna element 2 and the IC card 5 it is possible to improve the. なお、この実施形態では磁性部材22の両端部22aの端面は、必ずしもリードライト位置にあるICカード5の両面と平行に対面していないが、両端面から図示のごとき磁束が放射されるので、リードライト性能には支障はない。 The end faces of the both end portions 22a of the magnetic member 22 in this embodiment, although not necessarily face in parallel with both sides of the IC card 5 in the read-write position, the magnetic flux such as shown, is emitted from both end faces, there is no problem in the read-write performance.

【0012】次に、本発明の第3の実施の形態を図面に基づいて詳細に説明する。 [0012] will be described in detail with reference to the third embodiment of the present invention with reference to the drawings. 図5は、本発明の第3の実施の形態に係るICカード用リーダライタを示す概略正面図である。 Figure 5 is a schematic front view showing a reader-writer for IC card according to a third embodiment of the present invention. 本発明の第3の実施の形態においては、本発明の第2の実施の形態と同じ構成要素には同じ参照符号が付されている。 In the third embodiment of the present invention, the same components as the second embodiment of the present invention are denoted by the same reference numerals. 図5に示すように、このICカード用リーダライタ1は、透磁率の高い矩形環状の物質(磁性体)の一部を切り欠いた略コ字状の磁性部材23と、この磁性部材23の一部に巻回されているループアンテナ素子2と、このループアンテナ素子2に接続されているリーダライタ本体3とを有する。 As shown in FIG. 5, the IC card reader-writer 1 includes a substantially U-shaped magnetic member 23 formed by cutting a part of the magnetic permeability high rectangular loop material (magnetic material), the magnetic member 23 having a loop antenna element 2 is wound on a part, and a reader-writer main body 3 connected to the loop antenna element 2. この磁性部材23は、 The magnetic member 23,
矩形環状体を構成する4つの辺の内の一辺の一部を切除することにより切欠き部を形成したものであり、2つの突起部23bの各先端面に位置する端部23a間にIC It is obtained by forming a cutout portion by excising a portion of one side of the four sides of the rectangular annulus, IC between the ends 23a located at each distal end face of the two protrusions 23b
カード5が配置される。 Card 5 is placed. この両端部23a間の空所が切欠きであり、この切欠き内がICカード5用のリードライト位置である。 This is a-out space between the ends 23a notch, in come the cutout is a read write position for the IC card 5. 突起部23bがあることにより、両端部23aの位置がICカード5に対してより接近することができ、しかも両端部23aの端面がICカード5の両面と平行に配置されるので、リードライト精度を更に高めることができる。 The presence of the protrusions 23b, can be positioned at both ends 23a is closer to the IC card 5, and since the end surface of both end portions 23a are parallel to the surfaces of the IC card 5, the read-write accuracy it can be further enhanced. 磁性部材23は、図示した形状のほか略U字状、略C字状または略V字状等の環状体の一部を切り欠いた形状に形成される。 Magnetic member 23 is formed in addition to a substantially U-shaped in the illustrated shape, cut away part of the substantially C-shaped or substantially V-shaped like annular body shape. これ以外の本発明の第3の実施の形態の構成は、本発明の第2の実施の形態と同じである。 Configuration of the third embodiment of the other of the present invention is the same as the second embodiment of the present invention. 本発明の第3の実施の形態は、本発明の第2の実施の形態と同じ効果を有し、さらに磁性部材2 Third embodiment of the present invention has the same effect as the second embodiment of the present invention, further magnetic member 2
3が突起部23bを有しているからこれらの突起部23 Since 3 has a protruding portion 23b of the protrusion 23
bに磁束が集中するので、本発明の第2の実施の形態より漏れ磁束を少なくすることができる。 Since magnetic flux b is concentrated, it is possible to reduce the leakage flux from the second embodiment of the present invention.

【0013】次に、本発明の第4の実施の形態を図面に基づいて詳細に説明する。 [0013] will be described in detail with reference to the fourth embodiment of the present invention with reference to the drawings. 図6は、本発明の第4の実施の形態に係るICカード用リーダライタを示す概略正面図である。 Figure 6 is a schematic front view showing a reader-writer for IC cards according to the fourth embodiment of the present invention. 本発明の第4の実施の形態においては、本発明の第3の実施の形態と同じ構成要素には同じ参照符号が付されている。 In the fourth embodiment of the present invention, the same components as the third embodiment of the present invention are denoted by the same reference numerals. 図6に示すように、このICカード用リーダライタは、透磁率の高い矩形環状の物質(磁性体)の一部を切り欠いた略コ字状の磁性部材23と、この磁性部材23の一部に巻回されているループアンテナ素子2と、このループアンテナ素子2に接続されているリーダライタ本体3と、ループアンテナ素子2を磁性部材23の一部と共に被覆一体化するモールド樹脂部材2 As shown in FIG. 6, the IC card reader writer includes a substantially U-shaped magnetic member 23 formed by cutting a part of the magnetic permeability high rectangular loop material (magnetic material), one of the magnetic member 23 a loop antenna element 2 which is wound around the section, the reader-writer main body 3 connected to the loop antenna element 2, the molding resin member 2 for covering integrated loop antenna element 2 with a portion of the magnetic member 23
4と、を有する。 Has a 4, a. この磁性部材23は、図5の実施形態と同様に矩形環状体を構成する4つの辺の内の一辺の一部を切除することにより切欠き部を形成したものであり、2つの突起部23bの各先端面に位置する端部23 The magnetic member 23 is obtained by forming a cutout portion by excising a portion of one side of the four sides of the rectangular annulus Similar to the embodiment of FIG. 5, two protrusions 23b end 23 located at each distal end face of
a間にICカード5が配置される。 IC card 5 is arranged between a. この両端部23a間の空所が切欠きであり、この切欠き内がICカード5用のリードライト位置である。 This is a-out space between the ends 23a notch, in come the cutout is a read write position for the IC card 5. 突起部23bがあることにより、両端部23aの位置がICカード5に対してより接近することができ、リードライト精度を高めることができる。 The presence of the protrusions 23b, can be positioned at both ends 23a is closer to the IC card 5, it is possible to enhance the read-write accuracy. 本発明の第4の実施の形態に係るICカード用リーダライ1タは、磁性部材23とループアンテナ素子2とを一体的に被覆してループアンテナ素子2を磁性部材23に固定するモールド樹脂部材24を切り欠き(リードライト位置)とは反対側に有している。 Fourth for IC card Ridarai 1 data according to an embodiment of the present invention, the molding resin member 24 for fixing the loop antenna element 2 on the magnetic member 23 of the magnetic member 23 and the loop antenna elements 2 and integrally covering It has on the side opposite to the notch (read-write position). 磁性部材2 Magnetic member 2
3は、図示した形状のほか略U字状、C字状または略V 3, in addition to a substantially U-shaped in the illustrated shape, C-shape or a substantially V
字状等の環状体の一部を切り欠いた形状に形成される。 It is formed in a shape partially cut out of the annulus-shaped or the like.
また、本発明の第4の実施の形態においては、磁性部材23が突起部23bを有していない構成であってもよい。 Further, in the fourth embodiment of the present invention, the magnetic member 23 may be configured having no protruding portion 23b. さらに、本発明の第4の実施の形態においては、モールド樹脂部は,磁性部材23のICカード5と対向する部分を除いた部分を被覆するように形成してもよい。 Further, in the fourth embodiment of the present invention, the mold resin portion may be formed so as to cover the portion excluding the IC card 5 and the opposite portions of the magnetic member 23.
本発明の第4の実施の形態においては、本発明の第3の実施の形態と同じ効果を有し、かつ、ループアンテナ素子2を磁性部材23に固定するモールド樹脂部部材24 In the fourth embodiment of the present invention, it has the same effect as the third embodiment of the present invention, and the mold resin portion member 24 for fixing the loop antenna element 2 to the magnetic member 23
を有しているから、ループアンテナ素子2が磁性部材2 Since a loop antenna element 2 is the magnetic member 2
3に対し位置ずれするのを防止してアンテナ特性が変化する不都合を未然にを防止することができる。 3 to be prevented from positional deviation can be prevented in advance a disadvantage that the antenna characteristics are changed.

【0014】 [0014]

【発明の効果】以上のように、請求項1乃至4に記載の発明によれば、ループアンテナ素子から放射される電波の磁束のほとんどがICカードに届くので、ループアンテナ素子から放射される磁束のうちICカードとの通信に利用される磁束の割合が大きいくなり磁束の利用効率が大きくなるから、ループアンテナ素子とICカードとの通信の精度を向上させることができる。 As is evident from the foregoing description, according to the invention described in claims 1 to 4, most of the radio wave of the magnetic flux radiated from the loop antenna element reaches the IC card, magnetic flux radiated from the loop antenna element Nari percentage of flux used for communication with the IC card of the go magnitude because the utilization efficiency of magnetic flux is increased, thereby improving the accuracy of communication between the loop antenna element and the IC card. また、請求項1乃至4に記載の発明によれば、ループアンテナ素子の近傍に導電部材が存在する場合にもループアンテナ素子から放射される電波の磁束が導電部材に吸収されにくいため、ループアンテナ素子から放射される磁束のうちI Further, according to the invention described in claims 1 to 4, since the radio wave of the magnetic flux radiated from the loop antenna elements even when the conductive member in the vicinity of the loop antenna element is present it is not easily absorbed by the conductive member, the loop antenna I out of the magnetic flux emitted from the element
Cカードとの通信に利用される磁束の割合が大きくなり磁束の利用効率が大きくなるから、ループアンテナ素子とICカードとの通信の精度を向上させることができる。 Since utilization ratio becomes large and the magnetic flux of the magnetic flux to be used for communication with the C card increases, it is possible to improve the accuracy of the communication between the loop antenna element and the IC card.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の第1の実施の形態に係るICカード用リーダライタを示す概略斜視図である。 1 is a schematic perspective view showing a reader-writer for IC card according to a first embodiment of the present invention.

【図2】本発明の第1の実施の形態に係るリーダライタ本体の回路構成を示すブロック図である。 2 is a block diagram showing a circuit configuration of a reader-writer main body according to a first embodiment of the present invention.

【図3】本発明の第1の実施の形態に係るICカードの回路構成を示すブロック図である。 3 is a block diagram showing a circuit configuration of the IC card according to a first embodiment of the present invention.

【図4】本発明の第2の実施の形態に係るICカード用リーダライタを示す概略正面図である。 4 is a schematic front view showing a reader-writer for IC card according to a second embodiment of the present invention.

【図5】本発明の第3の実施の形態に係るICカード用リーダライタを示す概略正面図である。 5 is a schematic front view showing a reader-writer for IC card according to a third embodiment of the present invention.

【図6】本発明の第4の実施の形態に係るICカード用リーダライタを示す概略正面図である。 6 is a schematic front view showing a reader-writer for IC cards according to the fourth embodiment of the present invention.

【図7】従来のICカード用リーダライタの1例を示す概略斜視図である。 7 is a schematic perspective view showing an example of a conventional interrogator for IC card.

【図8】従来のICカード用リーダライタの他の例を示す概略斜視図である。 8 is a schematic perspective view showing another example of a conventional IC card reader-writer.

【図9】従来のICカード用リーダライタの他の例を示す概略斜視図である。 9 is a schematic perspective view showing another example of a conventional IC card reader-writer.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 ICカード用リーダライタ、2 ループアンテナ素子、3 磁性部材、4リーダライタ本体、5 ICカード、6 制御装置、7 電力増幅器、8 変調器、9 Reader writer 1 IC card, 2 loop antenna element 3, the magnetic member, 4 a reader-writer main body, 5 IC card, 6 controller, 7 power amplifier 8 modulator, 9
検波復調器、10 メモリ装置、11 入力装置、12 Detector demodulator 10 memory device, 11 input device, 12
表示装置、13 送受信装置、14 コンピュータ、 Display device, 13 reception device, 14 computer,
15 ループアンテナ、16 送受信回路、17 検波器、18 制御回路、19 メモリ装置、20 電力生成回路、21 変調器、22、23 磁性部材、22 15 a loop antenna, 16 transceiver circuit, 17 detector, 18 a control circuit, 19 a memory device, 20 power generating circuit, 21 a modulator, 22 and 23 magnetic members, 22
a、23a 両端部、23b 突起部、24 モールド樹脂部材。 a, 23a at both ends, 23b protruding portion, 24 molding resin member.

Claims (4)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 ICカードに対し電波で情報を書き込んで記録し、前記ICカードに記録された情報を読み取るICカード用リーダライタであって、リーダライタ本体と、該リーダライタ本体に接続されたループアンテナ素子と、このループアンテナ素子のループの内部に配置されている透磁率が高い磁性部材とを有することを特徴とするICカード用リーダライタ。 1. A record by writing information to the IC card by radio waves, a writer for IC cards for reading the recorded information on the IC card, and the reader-writer main body, connected to the reader-writer main body and the loop antenna elements, the reader-writer for an IC card, wherein a magnetic permeability which is arranged inside the loop of the loop antenna element has a high magnetic member.
  2. 【請求項2】 ICカードに対し電波で情報を書き込んで記録し、前記ICカードに記録された情報を読み取るICカード用リーダライタであって、リーダライタ本体と、環状体の一部を切り欠いた形状を有し前記ICカードが所定のリードライト位置に配置された時に前記IC 2. A record by writing information to the IC card by radio waves, a writer for IC cards for reading the information recorded on the IC card, and the reader-writer main body, deleting off a part of the annular body the IC when the IC card is disposed at a predetermined read-write positions have had shape
    カードの両面側に両端部が配置される透磁率が高い磁性部材と、この磁性部材の一部に巻回され且つリーダライタ本体に接続されたループアンテナ素子と、を有することを特徴とするICカード用リーダライタ。 IC, characterized in that it comprises a high permeability magnetic member having both ends are arranged on both sides of the card, and a loop antenna element connected to the wound and the reader-writer main body portion of the magnetic member writer for the card.
  3. 【請求項3】 前記透磁率が高い磁性部材の前記両端部の端面を、リードライト位置に配置されたICカードの両面と平行となるように配置したことを特徴とする請求項2記載のICカード用リーダライタ。 Wherein IC of the end faces of the both end portions of the high permeability magnetic member, according to claim 2, characterized in that arranged in parallel with both sides of the arranged IC card read-write position writer for the card.
  4. 【請求項4】 請求項2又は請求項3に記載のICカード用リーダライタにおいて、前記ループアンテナ素子を前記磁性部材の一部と共に被覆一体化するモールド樹脂部材を有することを特徴とするICカード用リーダライタ。 4. The IC reader writer card according to claim 2 or claim 3, IC card, characterized in that it comprises a molded resin member covering integrate the loop antenna element with a portion of the magnetic member use reader-writer.
JP2000207217A 2000-07-07 2000-07-07 Ic card reader/writer Pending JP2002024776A (en)

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